PREDICTION OF LIQUID-LIQUID EQUILIBRIA FOR POLYETHYLENE GLYCOL BASED AQUEOUS TWO-PHASE SYSTEM BY ASOG AND UNIFAC METHOD

被引：8

作者：

Perumalsamy, M. ^{[1
]}

Murugesan, T. ^{[2
]}

机构：

[1] Natl Inst Technol, Dept Chem Engn, Tiruchirappalli 620015, India

[2] Univ Teknol PETRONAS, Chem Engn Programme, Tronoh 31750, Perak, Malaysia

来源：

BRAZILIAN JOURNAL OF CHEMICAL ENGINEERING | 2009年 / 26卷 / 01期

关键词：

Liquid-Liquid equilibria; Polyethylene glycol; Sodium citrate; ASOG; UNIFAC; PHASE-EQUILIBRIA; SODIUM-CITRATE; THERMODYNAMICS; SEPARATION; EXTRACTION; BEHAVIOR; SALTS; WATER;

D O I：

10.1590/S0104-66322009000100016

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Liquid-Liquid equilibrium data were obtained for the polyethylene glycol(2000)(PEG(2000))-sodium citrate-water system at 298.15, 308.15 and 318.15 K. The effect of temperature on binodal and tie line data was studied and published in a previous article (Murugesan and Perumalsamy, 2005). The interaction parameters of ASOG and UNIFAC models were estimated using the LLE data of PEG(2000)-sodium citrate-water system and are used to predict the LLE data for PEG(6000)-sodium citrate-water system at 298.15, 308.15 and 318.15 K (literature data). The predicted LLE data by both ASOG and UNIFAC models showed good agreement with the experimental and literature data.

引用

页码：171 / 180

页数：10

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